20123642878

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{1053263}}^1$

素因数の和:1053539

約数の個数: 16

約数和(自身を含む): 31054435776

約数和(自身を除く): 10930792898

約数列:

[1, 2, 41, 82, 233, 466, 9553, 19106, 1053263, 2106526, 43183783, 86367566, 245410279, 490820558, 10061821439, 20123642878]

約数ペア:

[(1, 20123642878), (2, 10061821439), (41, 490820558), (82, 245410279), (233, 86367566), (466, 43183783), (9553, 2106526), (19106, 1053263)]